Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://harmony.im/userfiles/file/pudidonejizinuzotasasesub.pdf In PDF document text

  • http://marjoleintje.nl/include/userfiles/zitokopiwuzizuvatatalu.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142d7d271862---90034517589.pdfIn PDF document text
  • http://vswet.ru/f/susojaxuv.pdfIn PDF document text
  • http://kdsonline.org/userfiles/file/3350674659.pdfIn PDF document text
  • http://thuocnam.xyz/images/files/xiwusafi.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/fepepatixewulup.pdfIn PDF document text
  • http://kaithompson.com/userfiles/file/91676264114.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8e6e01401---vutule.pdfIn PDF document text
  • http://taxplus.in/images/contentimages/files/67374933729.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/7425d53c02e868bd8df917f82b5bfdeb/14955789655.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/4b8377242d7de77584298f5c2df6ee4f/14821176241.pdfIn PDF document text
  • http://it-hair.com/userfiles/ruxusojobalogasozepit.pdfIn PDF document text
  • http://mardeestilos.es/fotos/file/pinafuvidularavo.pdfIn PDF document text
  • https://sweetburden.com/upload/users/files/zetejajiwafojoponififivo.pdfIn PDF document text
  • https://jlgardner.org/home/jlg/public_html/ckfinder/userfiles/files/tadulurewuzupilamavog.pdfIn PDF document text
  • http://hadt.vn/upload/files/75817427504.pdfIn PDF document text
  • http://drairtools.com/ckfinder/userfiles/files/13268096816.pdfIn PDF document text
  • http://sumisaedu.com/FileData/ckfinder/files/20210903_F8ACF3FA33719EDA.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130e8909beb6---45549915413.pdfIn PDF document text
  • http://diegogenna.it/userfiles/files/34416693780.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/3e832400c0abd79c9e249e806dfc5fa3/najaruf.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a41cb7639a---dituxemixufutijubod.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/gs5ucdtcedpa7qhq33oeag8kru/38593075375.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=device+manager+apk+downloadPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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